Species Details

Packera eurycephala var. lewisrosei

Lewis Rose's ragwort

Download Report Calflora eFlora CCH CalPhotos

Classification

Scientific Name: Packera eurycephala (Torr. & A. Gray) W.A. Weber & A. Love var. lewisrosei (J.T. Howell) J.F. Bain
Common Name: Lewis Rose's ragwort
Family:	Asteraceae
Element Code:	PDAST8H182
USDA Plants Symbol:	PAEUL
Synonyms/Other Names: Senecio eurycephalus Torr. & A. Gray var. lewisrosei (J.T. Howell) T.M. Barkley

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G4T2
State Rank:	S2
Other Status:	BLM_S; USFS_S
CRPR Changes:
Add Date:	1984-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Mar-Jul(Aug-Sep)
Elevation: 274 - 1890 meters 900 - 6200 feet
General Habitat: Chaparral Cismontane woodland Lower montane coniferous forest
General Micro Habitat:
Micro Habitat: Serpentinite

Notes

Notes: Threatened by mining, road maintenance, and vehicles. Taxonomic study needed. See Senecio eurycephalus var. lewisrosei in The Jepson Manual (1993). See Leaflets of Western Botany 3(6):141-142 (1942) for original description. See Phytologia 49(1): 44-50 (1981) for revised nomenclature.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					39
A	B	C	D	X	U
3	19	2	0	0	15

Occurrence Status:
Historical >20 Years	12
Recent <=20 Years	27

Presence:
Presumed Extant	39
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Butte (BUT), Plumas (PLU)

Quads: Name (Quad Code)
Belden (4012113), Berry Creek (3912164), Caribou (4012112), Cherokee (3912165), Jonesville (4012114), Paradise East (3912175), Pulga (3912174), Soapstone Hill (3912173)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

Print this Map

Counties Quads

CNPS Rare Plant Inventory